ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,367, issued on Sept. 9, was assigned to BRIDGESTONE SPORTS Co. LTD. (Tokyo).
"Golf club head" was invented by Wataru Ban (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The golf club head includes a face portion, a plurality of score lines formed in the face portion and extending in a toe-heel direction, and a plurality of convex portions formed in the face portion, projecting from reference plane which includes edges of each of the plurality of score lines, and extending in the toe-heel direction. The plurality of convex portions include a first convex portion and a second convex portion formed between adjacent score lines. A projecting heig...